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refactor

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This commit is contained in:
Justin Lin 2020-02-16 16:47:11 +08:00
parent 0bb4fa6485
commit 603611ab16
1 changed files with 108 additions and 2 deletions
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110
examples/maze/stereographic_hex_maze.scad
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@ -1,5 +1,6 @@
use <polyline2d.scad>;
use <stereographic_extrude.scad>;
use <square_maze.scad>;
use <experimental/mz_blocks.scad>;
x_cells = 10;
cell_radius = 20;
@ -8,6 +9,108 @@ fn = 24;
shadow = "YES"; // [YES, NO]
wall_height = 1;
module build_hex_maze(y_cells, x_cells, maze_vector, cell_radius, wall_thickness, left_border = true, bottom_border = true) {
// NO_WALL = 0;
// UPPER_WALL = 1;
// RIGHT_WALL = 2;
// UPPER_RIGHT_WALL = 3;
function no_wall(block) = get_wall_type(block) == 0;
function upper_wall(block) = get_wall_type(block) == 1;
function right_wall(block) = get_wall_type(block) == 2;
function upper_right_wall(block) = get_wall_type(block) == 3;
function block(x, y, wall_type, visited) = [x, y, wall_type, visited];
function get_x(block) = block[0];
function get_y(block) = block[1];
function get_wall_type(block) = block[2];
function cell_position(x_cell, y_cell) =
let(
grid_h = 2 * cell_radius * sin(60),
grid_w = cell_radius + cell_radius * cos(60)
)
[grid_w * x_cell, grid_h * y_cell + (x_cell % 2 == 0 ? 0 : grid_h / 2), 0];
module hex_seg(begin, end) {
polyline2d(
[for(a = [begin:60:end])
[cell_radius * cos(a), cell_radius * sin(a)]],
wall_thickness,
startingStyle = "CAP_ROUND", endingStyle = "CAP_ROUND"
);
}
module build_upper_right() { hex_seg(0, 60); }
module build_upper() { hex_seg(60, 120); }
module build_upper_left() { hex_seg(120, 180); }
module build_down_left() { hex_seg(180, 240); }
module build_down() { hex_seg(240, 300); }
module build_down_right() { hex_seg(300, 360); }
module build_cell(block) {
module build_right_wall(x_cell) {
if(x_cell % 2 != 0) {
build_down_right();
}
else {
build_upper_right();
}
}
module build_row_wall(x_cell, y_cell) {
if(x_cell % 2 != 0) {
build_upper_right();
build_upper_left();
}
else {
build_down_right();
}
}
x = get_x(block) - 1;
y = get_y(block) - 1;
translate(cell_position(x, y)) {
build_row_wall(x, y);
if(upper_wall(block) || upper_right_wall(block)) {
build_upper();
}
if(right_wall(block) || upper_right_wall(block)) {
build_right_wall(x);
}
}
}
// create the wall of maze
for(block = maze_vector) {
build_cell(block);
}
if(left_border) {
for(y = [0:y_cells - 1]) {
translate(cell_position(0, y)) {
build_upper_left();
build_down_left();
}
}
}
if(bottom_border) {
for(x = [0:x_cells - 1]) {
translate(cell_position(x, 0)) {
build_down();
if(x % 2 == 0) {
build_down_left();
build_down_right();
}
}
}
}
}
module hex_maze_stereographic_projection(x_cells, cell_radius, wall_thickness, fn, wall_height, shadow) {
y_cells = round(0.866 * x_cells - 0.211);
@ -22,7 +125,10 @@ module hex_maze_stereographic_projection(x_cells, cell_radius, wall_thickness, f
pyramid_height = square_w / sqrt(2);
// create a maze
maze_vector = go_maze(1, 1, starting_maze(y_cells, x_cells), y_cells, x_cells);
maze_vector = mz_blocks(
[1, 1],
y_cells, x_cells
);
stereographic_extrude(square_w, $fn = fn)
translate([grid_w - square_w / 2, grid_h - square_w / 2, 0])